Frontend Software Engineer Jobs in Denver, CO

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Senior Front End Software Developer/Engineer

CACI International, Inc.

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Aurora, Colorado, USA

Full-time

Senior Front End Software Developer/Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: None Type of Travel: None Anticipated Posting End: 3/25/2026 CACI is seeking a Senior Developer to join a multidisciplined team to work on delivering the next generation of mission management systems using cutting edge cloud native technologies following an extreme agile continuous deployment software
Posted 34 days ago | Updated 18 days ago

Senior Frontend Software Engineer

Marsh & McLennan Companies

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Remote or Dallas, Texas, USA

Full-time

Company: MMC Corporate Description: Marsh & McLennan Shared Services LLC is seeking candidates for the following full-time position based in the Dallas, TX office (A telecommuting/hybrid work schedule may be permitted within a commutable distance from the worksite, in accordance with company policies.): Senior Frontend Software Engineer We will count on you to: Oversee the entire life cycle of a custom software application, creating the design, coding it, and testing the product for functio
Posted 19 days ago | Updated moments ago

Front End GUI Developer / Software Engineer

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Front End GUI Developer / Software Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a creative and detail-oriented Front End GUI Developer / Software Engineer to join our innovative team. In this role, you will design and develop intuitive, responsive user interfaces that deliver seamless user experiences. Collaborating closely with designers, backend developers, and stakeholders, you will transf
Posted 60+ days ago | Updated moments ago

Front-End Software Engineer (React / Next.js) for Innovative Space Research Startup (REMOTE)

OSI Engineering, Inc.

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Remote

Contract

We are seeking a highly skilled Front-End Engineer to help develop a real-time astronomical data platform powered by a global telescope network. The ideal candidate will have strong experience with React and Next.js, a solid understanding of UI/UX best practices, and familiarity with blockchain-based applications. This role requires an adaptable problem-solver who thrives in a fast-moving, research-driven environment. Responsibilities Develop and optimize React/Next.js front-end applications. En
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Posted 42 days ago | Updated 2 hours ago

Software Developer - Front End

Unison Systems, Inc

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Englewood, Colorado, USA

Contract

Our client is looking for Web Application Developers with React, Redux, CSS, HTML. Our client creates products for video streaming on a variety of devices and works with the latest versions of React and related tools to deliver some of the fastest and most utilized applications in industry. Culture is based on collaboration and working closely in teams to promote an inclusive environment with idea sharing. Role & Responsibilities: Leverage your 3+ years of experience to provide your team with in
Posted 1 day ago | Updated 9 hours ago

Senior Front-End JavaScript Software Engineer

Jack Henry & Associates

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Remote

Full-time

At Jack Henry, we deliver technology solutions that are digitally transforming and empowering community banks and credit unions to provide enhanced and streamlined user experiences to their customers and members. Our best-in-class products are just the start as we lay the groundwork for the future of digital banking and payments. We hope you'll join us. We can't do it without you. The Jack Henry Digital Banking UI team develops a world class systems used by more than a thousand banks and credit
Posted 14 days ago | Updated moments ago

Staff Full Stack Engineer (Frontend-leaning)

Jobot

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Boulder, Colorado, USA

Full-time

This Jobot Job is hosted by: Christina Finster Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $160,000 - $180,000 per year A bit about us: Our client is a direct-to-consumer e-commerce company in the lawn care industry, utilizing cutting-edge data anayalsis. Why join us? A mission-driven company focused on sustainability and innovation. A remote-first culture with flexibility and autonomy. A collaborative and supportive team environment.
Posted 9 hours ago | Updated 4 hours ago

Software Engineer - Frontend - Splunk License Reporting

Splunk Inc.

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Remote or Boulder, Colorado, USA

Full-time

Description Splunk, a Cisco company, is building a safer and more resilient digital world with an end-to-end full stack platform made for a hybrid, multi-cloud world. Leading enterprises use our unified security and observability platform to keep their digital systems secure and reliable. Our customers love our technology, but it's our caring employees that make Splunk stand out as an amazing career destination. No matter where in the world or what level of the organization, we approach our wor
Posted 29 days ago | Updated moments ago

Software Engineer - Frontend- Splunk License Reporting

Splunk Inc.

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Remote or Boulder, Colorado, USA

Full-time

Description Splunk, a Cisco company, is building a safer and more resilient digital world with an end-to-end full stack platform made for a hybrid, multi-cloud world. Leading enterprises use our unified security and observability platform to keep their digital systems secure and reliable. Our customers love our technology, but it's our caring employees that make Splunk stand out as an amazing career destination. No matter where in the world or what level of the organization, we approach our wor
Posted 60+ days ago | Updated moments ago

Front End UX Engineer

World Wide Technology

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Remote

Contract

Front End UX Engineer Company Overview World Wide Technology (WWT) is a global technology integrator and supply chain solutions provider. Through our culture of innovation, we inspire, build, and deliver business results, from idea to outcome. Based in St. Louis, WWT works closely with industry leaders such as Cisco, HPE, Dell EMC, NetApp, VMware, Intel, AWS, Microsoft, and F5, focusing on three market segments: Fortune 500 companies, service providers and the public sector. WWT is a $22 billio
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Posted 60+ days ago | Updated 8 hours ago

Senior Angular 2+ Developer

Eliassen Group

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Englewood, Colorado, USA

Contract

Description: * Hybrid on-site in Englewood, CO - 4days per week* Our Telecommunications Client is looking to add multiple Senior Angular 2+ developers to support a number of initiatives. These are long term contract engagements, and have the potential to lead to full time conversion,. Due to client requirement, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with compa
Posted 9 days ago | Updated 12 hours ago

Software Engineer, Frontend/Fullstack, Applied AI Platform

Block Inc

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California, USA

Full-time

Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams - People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more - provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture
Posted 13 days ago | Updated moments ago

Software Engineer III Senior

Randstad Digital

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Remote or Madison, New Jersey, USA

Contract

job summary: Looking for a talented frontend engineer to help build and maintain a design system for Anywhere Real Estate, working remotely for six months. You'll collaborate with designers and developers to create consistent UI components across web and mobile platforms using Angular, Flutter, and React, while ensuring accessibility and best practices. If you've got over five years of experience in front-end development and enjoy working on scalable design solutions, this could be a great fit!
Posted 1 day ago | Updated 3 hours ago

Full Stack Software Engineer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Full Stack Software Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a highly skilled Full Stack Software Engineer to join our team and contribute to the development of cutting-edge applications. In this role, you will work across the entire software development lifecycle, from designing user interfaces to implementing back-end functionality. You will collaborate with cross-functional teams t
Posted 60+ days ago | Updated moments ago

Senior Frontend Engineer

Thomson Reuters U.S. Inc.

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Remote or Eagan, Minnesota, USA

Full-time

Senior Frontend Engineer, Materia AI Thomson Reuters is looking for a skilled Senior Frontend Engineer to develop the next iteration of the user interface for our Materia AI product. Innovate in a Startup-Like Environment Be part of a nimble and forward-thinking group dedicated to building AI-powered solutions that transform how accounting firms operate. You'll collaborate with top AI and software development experts, all while leveraging Thomson Reuters' global reach and resources. Create I
Posted 60+ days ago | Updated moments ago

Software Engineer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Software Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and motivated Software Engineer to join our team and contribute to the development of cutting-edge software solutions. In this role, you will be responsible for designing, coding, testing, and deploying applications that meet high standards of performance, security, and scalability. The ideal candidate is a problem-solver with a
Posted 60+ days ago | Updated 12 hours ago

Director of Software Engineering (Frontend experience) Remote

Progressive Leasing

•

Texas, USA

Full-time

Progressive Leasing is a leading provider of in-store and e-commerce lease-to-own solutions. As an almost 20+ year old FinTech company that has gone from start-up to industry leader, we know how to innovate, simplify, and value all people. We are a company founded on our grit and we are constantly looking to the future. As an ever-evolving group of entrepreneurs and technologists, we strive to do the right thing period in all aspects of our work. We are a subsidiary of PROG Holdings (NYSE: PRG),
Posted 55 days ago | Updated moments ago

Director of Software Engineering (Frontend experience) Remote

Progressive Leasing

•

Arizona, USA

Full-time

Progressive Leasing is a leading provider of in-store and e-commerce lease-to-own solutions. As an almost 20+ year old FinTech company that has gone from start-up to industry leader, we know how to innovate, simplify, and value all people. We are a company founded on our grit and we are constantly looking to the future. As an ever-evolving group of entrepreneurs and technologists, we strive to do the right thing period in all aspects of our work. We are a subsidiary of PROG Holdings (NYSE: PRG),
Posted 57 days ago | Updated moments ago

Director of Software Engineering - Front End Experience (Remote)

Progressive Leasing

•

Utah, USA

Full-time

Progressive Leasing is a leading provider of in-store and e-commerce lease-to-own solutions. As an almost 20+ year old FinTech company that has gone from start-up to industry leader, we know how to innovate, simplify, and value all people. We are a company founded on our grit and we are constantly looking to the future. As an ever-evolving group of entrepreneurs and technologists, we strive to do the right thing period in all aspects of our work. We are a subsidiary of PROG Holdings (NYSE: PRG),
Posted 59 days ago | Updated moments ago

Full Stack Developer- Only W2 Candidates (USC)

HonorVet Technologies

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Remote

Contract

ONLY W2 Job Summary: Position: Full Stack DeveloperLocation: Seattle, WA- Fully RemoteDuration: 06+ monthsRequired: Full Stack Developer Expertise in Node.js API development, UI development using React, and MySQL database. Job Summary: The client is seeking a talented Full Stack Developer to join our engineering team in Seattle, WA. The ideal candidate will have strong expertise in both front-end and back-end development, experience working with cloud platforms (AWS, Azure, or Google Cloud Plat
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Posted 45 days ago | Updated 1 day ago